The program enters in busy waiting after it attempts to read. So it won't read anything. Change this part: int lng = Serial.read(); while(Serial.available() ... ... <看更多>

練習使用SHT15 溫溼度計，將讀到的溫溼度讀值輸出到Serial Port 上。 ... clockPin); void setup() { Serial.begin(9600); } void loop() { // 宣告三個變數， ... ... <看更多>

int Var = 55; //Do it in 2 lines e.g. Serial.print("L "); // String Serial.println(Var); // Print Variable on same line then send a line feed. ... <看更多>

readTemperature(); //浮點數變數t 存放讀取攝氏溫度數值 ... Serial.println("Failed to read from DHT sensor! ... Serial.print(t); //顯示攝氏溫度值. ... <看更多>

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